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Burden of parkinsonism: a population-based study
Mark Guttman1, Pamela M Slaughter2, Marc-Erick Theriault2
1Division of Neurology, Department of Medicine, University of Toronto, Toronto, Ontario, Canada.
Summary
Parkinson's disease (PD) significantly increases healthcare costs due to higher physician visits, hospitalizations, and drug expenses. This study quantifies the substantial societal burden of PD in Ontario, Canada.
Area of Science:
- Neurology
- Public Health
- Health Economics
Background:
- Parkinson's disease (PD) presents a considerable, yet poorly quantified, societal burden.
- Understanding the economic impact of PD is crucial for healthcare planning and resource allocation.
Purpose of the Study:
- To assess the prevalence of parkinsonism in Ontario, Canada.
- To quantify physician, drug, and hospital costs associated with Parkinson's disease.
- To compare healthcare utilization in Parkinson's patients versus matched controls.
Main Methods:
- Utilized linked administrative databases from Ontario, Canada.
- Established an inception cohort of parkinsonian cases (15,304) from 1993/1994.
- Matched cases 1:2 with controls (30,608) and followed for 6 years, identifying patients via diagnostic codes or PD-specific medications.
Main Results:
- Age-adjusted prevalence rates were 3.63/1000 men and 3.24/1000 women.
- Parkinsonian patients incurred 1.4x higher physician costs and 3.0x higher drug costs.
- Hospital admissions were 1.44x more frequent, with 1.19x longer average stays.
Conclusions:
- Parkinson's disease is associated with substantial direct societal costs.
- Higher healthcare utilization and medication expenses significantly contribute to the economic burden of PD.
- This research highlights the need for effective management strategies to mitigate the financial impact of Parkinson's disease.